.NET Tools

Did you know? You can use LINQ to XML to write queries in a readable and strongly-typed way directly against an XML document, making it one of the most intuitive ways to deal with XML in .NET. Welcome to dotInsights by JetBrains! This newsletter is the home for recent .NET and software develo…

Tracking down performance bottlenecks in Visual Studio often means interrupting your workflow, restarting your application in profiling mode, and hoping you can reliably reproduce the exact issue. We think there’s a better way. If you have already used Monitoring in Rider, this experience will fe…

ReSharper 2026.1 is here, bringing improvements that focus on how you actually work: understanding runtime behavior, writing safer C#, and keeping Visual Studio responsive. This release introduces a new approach to performance monitoring, takes ReSharper beyond Visual Studio, and delivers a range…

Rider 2026.1 is here, bringing improvements across the areas that matter most: .NET development, game development workflows, and the overall IDE experience. Key updates include the ability to run file-based C# programs, inspect .NET disassemblies, and manage NuGet packages more easily. On the gam…

The Rider 2026.1 Release Candidate is ready for you to try. This upcoming release brings improved support for the .NET ecosystem and game development workflows, as well as refinements to the overall developer experience. Rider 2026.1 allows you to work with file-based C# programs and offers an im…

The ReSharper 2026.1 Release Candidate is ready for you to try. This release focuses on making everyday .NET development faster and more predictable, with improvements to code analysis and language support, a new way to monitor runtime performance, and continued work on stability and responsivene…

ReSharper has been a trusted productivity tool for C# developers in Visual Studio for over 20 years. Today, we’re taking the next step and officially releasing the ReSharper extension for Visual Studio Code and compatible editors. After a year in Public Preview, ReSharper has been refined to brin…

Did you know? The async and await keywords in C# were introduced in C# 5.0 (2012) to simplify asynchronous programming. Under the hood, the compiler uses a state machine to transform your asynchronous code into manageable tasks. As a developer, you never need to worry about that complexity. …

Overview: What are extension members? Extension members allow you to define additional members for existing types without modifying their definitions. With them, you can add functionality to existing types you don’t have access to or don’t control, for example, built-in types or types from an API…

Did you know? C# allows digit separators (_) in numeric literals to make large numbers more readable, e.g., int num = 1_000_000; is valid and equals one million. Welcome to dotInsights by JetBrains! This newsletter is the home for recent .NET and software development related information. 🔗…

We’ve just released another update for ReSharper, Rider and the .NET tools version 2025.3. You can update to this version from inside those tools, using the Toolbox app or our website.  Let’s take a look at the latest updates.  Rider 2025.3.2 Agent Client Protocol (ACP) agent regi…